linux-kernel - Re: [PATCH] tinification: Make SRCU optional by using CONFIG

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Message-ID: <20141205055909.GA19116@thin>
Date:	Thu, 4 Dec 2014 21:59:09 -0800
From:	Josh Triplett <josh@...htriplett.org>
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	Lai Jiangshan <laijs@...fujitsu.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tinification: Make SRCU optional by using CONFIG_SRCU

On Thu, Dec 04, 2014 at 10:30:20PM -0500, Pranith Kumar wrote:
> On Thu, Dec 4, 2014 at 9:05 PM, Lai Jiangshan <laijs@...fujitsu.com> wrote:
> > On 12/05/2014 08:11 AM, Paul E. McKenney wrote:
> >> On Thu, Dec 04, 2014 at 06:50:24PM -0500, Pranith Kumar wrote:
> >>>
> >>> +config SRCU
> >>> +    bool "Sleepable form of RCU"
> >
> > Why it has a title? Somebody need to select it manually for third party kernel module?
> 
> Yes, it is a choice given to enable SRCU even when no in-kernel module uses it.

That makes sense for testing purposes, but I don't think it makes sense
for the final patch.  I'd suggest making it a completely automatic
symbol with no title.

> >
> >>> +    def_bool n

You already say "bool" above, and "default n" is the default default, so
you can omit this line entirely.

- Josh Triplett
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